save project

diy2.py

@@ -6,9 +6,9 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif name != username:    
+    elif   name = username:    
         print("重新输入用户名")
-    else:    
+    else:
         print("重新输入用户名")
 print("欢迎来到贝尔编程")
   
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